* With I-Option card only (C. T. connection) Basic connections with isolated contacts
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1 Typical Circuit Diagrams. Typical Circuit Diagrams Basic connections with isolated contacts F2 - Overload relay Q1 - MPCB / ACB / MCCB /K2 - Main isolating contactors (AC-3 rated) F3 - Semiconductor Fuses (Optional) BH - Command "Ramp-up" BF - Command "Enable" ME - Monitoring signal "In operation" MH - Monitoring signal "End of ramp" Only with I-Option card MU - Monitoring signal "Overload". * With I-Option card only (C. T. connection) 230 V AC external power supply *** Thermistor or thermostat motor protection.1
2 Typical Circuit Diagrams Control through PLC Basic connections for PLC with 24 V = industry logic Q1- MPCB / ACB / MCCB - Main isolating contactor (AC-3 rated) F3 - Semiconductor Fuses (Optional) F2 - Overload relay L - is preferably to be earthed. Remove link 49-0 if there is a potential difference between L - and PE (max. permissible voltage 60 V) * With I-Option card only (C. T. connection) *** Thermistor or thermostat motor protection.2
3 Typical Circuit Diagrams Recommended connection : 3RW24 Line Connection for Soft Start (also with I-OPTION card) = Main isolating contactor (AC-3 rated) F3 = Semiconductor fuses (Optional) K3 = Bypass contactor (Optional) S1 = OFF push button (Momentary command) S2 = ON push button (Momentary command) * With I-Option only (C. T. connection).3
4 Typical Circuit Diagrams Recommended connection : 3RW24, Delta Connection for Soft Start (also with I-Option card) = Main isolating contactor (AC-3 rated) F3 = Semiconductor fuses (Optional) K3 = Bypass contactor (Optional) S1 = OFF push button S2 = ON push button *MU - only with I-Option card * With I-Option only (C. T. connection).4
5 Typical Circuit Diagrams Recommended connection : 3RW24, Line Connection Soft Start and Soft Stop (also with I-Option card) = Main isolating contactor (AC-3 rated) F3 = Semiconductor fuses (Optional) K3 = Bypass contactor (Optional) S1 = OFF push button S2 = ON push button K2 = Auxiliary contactor (4 NO) * With I-Option only (C. T. connection).
6 Typical Circuit Diagrams Recommended connection : 3RW24, Line connection as a Soft Start and Soft Stop for reversing application F3 = Semiconductor fuses (Optional) f = Main isolating contactor in forward direction R = Main isolating contactor in reverse direction ON1 = Forward direction ON2 = Reverse direction K3 = Bypass contactor (Optional) K2f = Auxiliary contactor (4NO + 4NC) K2R = Auxiliary contactor (4NO + 4NC) S1 = OFF push button (Momentary Contact) S2.0 = ON push button S2.1 (Momentary Contact) * With I-Option only (C. T. connection) 230 VAC, external power supply.6
7 Typical Circuit Diagrams Recommended connection : 3RW24, Line connection (also with I-Option) for soft start and speed change of motors in the pole-change Dahlander connection. This connection provides for zero-current contactor switching F3 = Semiconductor fuses (Optional) = Main isolating contactor (AC-3 rated) K3 = Bypass contactor (Optional) K4 = Auxiliary contactor (3NO + 1NC) K = Auxiliary contactor (4NO) K21 = Contactor - Slow speed 1 = Aux. Contactor (4NO) 2 = Aux. Contacor (4NO) K22-1= Star contactor (Dahlander wdg. only) S2 = ON slow speed S3 = ON high speed S1 = Off command F4 = Overload relay * With I-Option card only (C.T. Connection).7
8 Typical Circuit Diagrams Recommended connection : 3RW24, Line connection I-Option card combined with a star/delta starter for starting with low starting currents (e.g. screw compressors in bypass). PE L1 L2 L3 2 ~ V F1 K MU * F2 S1 OFF F2 S2 ON K6 F3 ** G1 k PE L1 L2 L3 F k4 k4 K2 k3 k4 ME MH BH 6 7 P10 3RW24 O PE 49 0 K2 k3 8BF 9 SW 10 K6 K3 K2 k4 T1 T2 * T3 H K2 K3 W1 V1 U1 M 3 ~ W2 V2 U2 F3 = Semiconductor fuses = Bypass contactor K2 = Delta contactor K3 = Star contactor K4 = ON -delay timers S1 = OFF Push button S2 = ON Push button K6 = Line contactor * With I-Option card only (C.T. Connection).8
9 Typical Circuit Diagrams Recommended connection : 3RW24, Delta connection combined with a star/ delta starter for emergency starting) F1 = Semiconductor fuses F3 = Motor feeder HRC fuses = Bypass contactor K2 = Delta contactor K3 = Star contactor K = Auxiliary contactor (3NO + 1NC) K4 = 7PU60 star-delta timer S1 = OFF push button S2 = ON push button S3 = Star-delta change over switch K6 = Line contactor * With I-Option card only (C. T. connection) Rapid push button start is not possible. Push button must be pressed for sufficient time..9
10 Typical Circuit Diagrams Recommended connection : 3RW24, Line connection as a voltage controller (e.g. for running the motor at lower speed, special motor, control of electric heating) F1 = Motor feeder fuses = Main isolating contactor (AC-3 rated) F3 = Semiconductor fuses US -11 = 10kΩ potentiometer * With I-Option card only *** Thermistor or thermostat motor protection.10
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SECTION 1. 600V SWITCHBOARD I 4 Engine/Gen Control Cubicles II 1 Synchronizing System III 1 Ground Detection Network IV 1 600V Feeder Section V 2 Soft Starters SECTION 2. LIQUID COOLED VFD I 3 Liquid Cooled
VLT Soft Starter MCD 100, MCD 201, MCD 202, MCD 3000
VLT Soft Starter MCD 100, MCD 201, MCD 202, MCD 3000 Soft starts Protect Gear, Goods, Equipment and Environment An AC motor switched directly on to the mains power supply will struggle to reach its nominal
SIRIUS Soft Starters Introduction
Introduction Overview Products at a glance 3RW30/3RW31 3RW40 3RW44 Class 73/74 Enclosed 16 CONTROL SIRIUS soft starters for standard applications SIRIUS 3RW30 soft starters SIRIUS 3RW40 soft starters for
INTRODUCTION. AC motor operations, most widely used motor is three phase induction motor. This type of motor does not require any starting device
Modular Application (AC Motors) Engineering and Technical Teaching Equipment AEL-AI12 INTRODUCTION An electrical motor is such an electromechanical device which converts electrical energy into a mechanical
Axpert-CSS AMTECH DRIVES Axpert-CSS Amtech
The Axpert-CSS is a range of Combination Soft Starter panels offered by AMTECH DRIVES. We also offer the module unit as an individual product, named as Axpert-Opti torque Soft Starter. This is only the
J TS 7090 Thyristor power switch
M. K. JUCHHEIM GmbH & Co Delivery address:mackenrodtstraße 14, 36039 Fulda, Germany Postal address: 36035 Fulda, Germany Phone: +49 661 6003-0 Fax: +49 661 6003-607 E-mail: mail@jumo.net Internet: www.jumo.net
Thyristor Power Regulators
READY TO USE SCR-BASED HIGH PERFORMANCE & ENERGY EFFICIENT 1-PHASE, 2-PHASE AND 3-PHASE POWER REGULATORS SCR POWER REGULATORS FROM 15 AMPS TO 750 AMPS AND HIGHER Description RADIX brings you a full range
Application example of a motor controlled by MCD100 and protected by a circuit breaker
VLT T Soft Start Controller MCD 100 MCD 100 is a cost effective and extremely compact soft starter for AC motors up to 11 kw. Due to a unique semiconductor design MCD 100 is a true fit and forget product.
Motor Starters, Soft Starters and Load Feeders
Motor Starters, Soft Starters and Load Feeders Contents Pages Introduction................................... 7/2 For Operation in the Control Cabinet General data.................................. 7/3